CN110355531A - A kind of processing technology of ring-grooved rivet - Google Patents
A kind of processing technology of ring-grooved rivet Download PDFInfo
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- CN110355531A CN110355531A CN201910675482.3A CN201910675482A CN110355531A CN 110355531 A CN110355531 A CN 110355531A CN 201910675482 A CN201910675482 A CN 201910675482A CN 110355531 A CN110355531 A CN 110355531A
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- rivet
- section
- ring
- annular groove
- blank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a kind of processing technologys of ring-grooved rivet, which comprises the steps of: upsetting system of rivet bar is shaped to the rivet blank with head and bar diameter by step S1；Step S2 carries out mill working process to the bar diameter of rivet blank, so that rivet blank sequentially forms major diameter section and path section along bar diameter from its head one end；Step S3 forms clamp segment annular groove far from the one of head section of progress thread rolling using path section of the thread rolling machine to bar diameter in the case where not heating to rivet blank；Step S4, one section of progress turning using lathe to the path section of bar diameter close to head forms active section annular groove, and carries out turning between clamp segment annular groove and active section annular groove in path section and form breaking groove, to form finished product rivet.The present invention improves production efficiency, reduces processing cost, reduces the defect ware of product.
Description
Technical field
The present invention relates to rivet processing technique fields, more particularly to a kind of processing technology of ring-grooved rivet.
Background technique
Ring-grooved rivet with nail set matching piece is easy to operate, assembly efficiency is high, shock resistance is good, it is wide in aerospace field application
It is general.Rivet has active section annular groove, breaking groove and clamp segment annular groove, when riveting, first insert rivets into the nail hole of connected piece,
It is covered on the active section annular groove of rivet from connected piece another side by nail again, then uses specific purpose tool --- pneumatic ring-grooved rivet
The muzzle of rifle covers on the gripping section annular groove of rivet, and muzzle is resisted nail set end face, then pull trigger on rifle, and riveting gun will
The clamp segment annular groove nail rod of rivet tenses, until being broken from breaking groove, at this point, nail set inner wall squeezes into the active section ring of rivet
In slot, new manufactured head is formed, is fastened so that connected piece is riveted.
There are mainly two types of the existing common processing methods of ring-grooved rivet: one of which is primary using the method for lathe process
Property turning go out active section annular groove, breaking groove and clamp segment annular groove, the method uses turnery processing due to whole, not only process time
Length, production efficiency are low, and cutter is worn in pole, and processing cost is high；Another kind is the active section by way of rolling in rivet
With clamp segment processing work section annular groove and clamp segment annular groove, it is broken between the active section and clamp segment of rivet by turnery processing
Slot, however, since the active section annular groove of rivet needs and follow closely set cooperation, it is very high to the required precision of active section annular groove, and lead to
The precision for crossing the active section annular groove that rolling mode is formed is difficult to control, and is easy to appear the active section annular groove processed and is combined with nail set
Untight situation, causes product substandard products occur.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of processing technologys of ring-grooved rivet, to improve production effect
Rate reduces processing cost, reduces the defect ware of product.
The present invention provides a kind of processing technologys of ring-grooved rivet, include the following steps:
Upsetting system of rivet bar is shaped to the rivet blank with head and bar diameter by step S1；
Step S2 carries out mill working process to the bar diameter of rivet blank, so that rivet blank is from its head one end along bar diameter
Sequentially form major diameter section and path section；
Step S3, in the case where not heated to rivet blank, using thread rolling machine to the path section of bar diameter far from head
One section of progress thread rolling formed clamp segment annular groove；
Step S4, one section of progress turning using lathe to the path section of bar diameter close to head form active section annular groove,
And carry out turning between clamp segment annular groove and active section annular groove in path section and form breaking groove, to form finished product riveting
Nail.
Further, in the step S1, the temperature of rivet bar upsetting is 600-650 degree.
Further, in the step S4, the lathe has rotation clamping element, a clamp segment ring groove turning tool
With a breaking groove lathe tool, when turning, rivet blank is fixed on rotation clamping element, then controls clamp segment annular groove vehicle respectively
Knife and breaking groove lathe tool carry out turning.
Further, further include following steps between the step S1 and step S2:
Further, it will be put into corresponding cleaning line by the molding rivet blank of upsetting system and pickling line cleans；
Step A2, the rivet blank after cleaning are heat-treated.
Further, in the step A2, the specific steps of heat treatment are as follows: the rivet blank after cleaning is in vacuum water quenching
Solid solution isothermal holding is carried out in furnace, wherein the temperature of solution treatment is 850-900 degree, then by the rivet blank after solution treatment
Ageing treatment is carried out in vacuum aging furnace, wherein the temperature of ageing treatment is 500 to 600 degree.
Further, further include following steps after the step S4:
Step S5 carries out carrying out flaw detection to finished product rivet using DNT defectoscope；
Step S6 cleans the surface of finished product rivet, is sprayed, is dried；
Finished product rivet is carried out corresponding detection packaging by step S7.
Further, the material of the rivet is titanium alloy material.
The beneficial effects of the present invention are embodied in: rivet cannot heat rivet when carrying out thread rolling, otherwise can shadow
The strength and stiffness of rivet are rung, but in the case where not heating, thread rolling machine is difficult to control the groove depth of thread rolling, the work of rivet
Section annular groove is used to be combined with nail set, and the breaking groove of rivet is used to control the fracture of rivet, thus active section annular groove and breaking groove pair
The requirement of machining accuracy is relatively high, and active section annular groove and breaking groove form the precision that can ensure its processing by turning, clamps
Section annular groove is used to combine in riveting in riveting gun, thus requirement of the clamp segment annular groove to machining accuracy is relatively low, clamp segment ring
Slot can meet its requirement by thread rolling formation.Accordingly, with respect to the prior art, the application passes through first by the bar diameter of rivet blank
Working process is ground into major diameter section and path section, then clamp segment annular groove is formed by thread rolling respectively on path section, is passed through
Turning forms active section annular groove and breaking groove, not only increases production efficiency, reduces processing cost, while also reducing product
Defect ware, the quality of production efficiency and product is protected.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Attached drawing needed in embodiment is briefly described.In all the appended drawings, similar device or part are generally by class
As appended drawing reference identify.In attached drawing, each device or part might not be drawn according to actual ratio.
Fig. 1 is the structural schematic diagram of the ring-grooved rivet of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the rivet blank after the mill working process of the embodiment of the present invention；
Fig. 3 is the processing process figure of the ring-grooved rivet of the embodiment of the present invention.
In attached drawing, 1 indicates head；2 indication rod diameters；21 indicate major diameter section；22 indicate path section；3 indicate clamp segment
Annular groove；4 indicate active section annular groove；5 indicate breaking groove.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation the protection model of limitation this patent
It encloses.
As shown in Figure 1-Figure 3, the embodiment of the invention provides a kind of processing technology of ring-grooved rivet, include the following steps:
Upsetting system of rivet bar is shaped to the rivet blank with head 1 and bar diameter 2, rivet here by step S1
Material can use titanium alloy material.During upsetting system, can 1 shape of head, length and the bar diameter 2 of rivet blank once at
Type, it is ensured that the continuity of the internal grain tissue of product.Rivet bar upsetting temperature is 600-650 degree, and temperature crosses high product meeting
There is burning phenomenon, temperature is low, and product will appear crackle.
Step A1, will be put into corresponding cleaning line by the molding rivet blank of upsetting system and pickling line cleans, and clean
Purpose be remove product surface oil and raw material coating, otherwise product can be polluted.
Step A2, the rivet blank after cleaning are heat-treated, and to improve the intensity of product, guarantee that product is thermally treated
Performance is met the requirements afterwards.The specific steps of heat treatment are as follows: the rivet blank after cleaning carries out solid solution heat preservation in vacuum water quenching oven
Processing, wherein the temperature of solution treatment be 850-900 degree, then by the rivet blank after solution treatment in vacuum aging furnace into
Row ageing treatment, wherein the temperature of ageing treatment is 500 to 600 degree.
Step S2 carries out mill working process to the bar diameter 2 of rivet blank, so that rivet blank is from its 1 one end of head along bar
Diameter 2 sequentially forms major diameter section 21 and path section 22, and the corresponding rivet of major diameter section 21 here passes through one section of connected piece,
The active section and clamp segment of the corresponding rivet of path section 22.
Step S3, in the case where not heated to rivet blank, using thread rolling machine to the path section 22 of bar diameter 2 far from head
One section of progress thread rolling in portion 1 forms clamp segment annular groove 3.
Step S4, one section of progress turning using lathe to the path section 22 of bar diameter 2 close to head 1 form active section ring
Slot 4, and carry out turning between clamp segment annular groove 3 and active section annular groove 4 in path section 22 and form breaking groove 5, thus shape
At finished product rivet.Lathe has a rotation clamping element, a clamp segment ring groove turning tool and a breaking groove lathe tool, when turning,
Rivet blank is fixed on rotation clamping element, then clamp segment ring groove turning tool is controlled respectively and breaking groove lathe tool carries out turning,
It thus only needs to control clamp segment ring groove turning tool and the feed of breaking groove lathe tool or withdrawing, active section can be completed on a machine tool
The cutting of annular groove 4 and breaking groove 5, saves equipment, improves efficiency.
Step S5 carries out carrying out flaw detection to finished product rivet using DNT defectoscope, whether has microdefect with testing product,
Guarantee the quality requirement of product.
Step S6 cleans the surface of finished product rivet, is sprayed, is dried, to carry out surfacecti proteon or lubrication to product,
Improve product surface hardness and anticorrosive property.
Finished product rivet is carried out corresponding detection packaging by step S7.
In the present embodiment, rivet cannot heat rivet when carrying out thread rolling, otherwise will affect the strong of rivet
Degree and rigidity, but in the case where not heating, thread rolling machine is difficult to control the groove depth of thread rolling, the active section annular groove 4 of rivet is used
It is combined in nail set, the breaking groove 5 of rivet is used to control the fracture of rivet, thus 5 pairs of processing essences of active section annular groove 4 and breaking groove
The requirement of degree is relatively high, and active section annular groove 4 and breaking groove 5 form the precision that can ensure its processing, clamp segment ring by turning
Slot 3 is used to combine in riveting in riveting gun, thus requirement of the clamp segment annular groove 3 to machining accuracy is relatively low, clamp segment annular groove 3
Its requirement can be met by thread rolling formation.Accordingly, with respect to the prior art, the application passes through first by the bar diameter 2 of rivet blank
It grinds working process and clamp segment annular groove is formed by thread rolling respectively at major diameter section 21 and path section 22, then on path section 22
3, active section annular groove 4 and breaking groove 5 are formed by turning, not only increases production efficiency, reduces processing cost, while also subtracting
The defect ware of product is lacked, the quality of production efficiency and product is protected.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or some or all of the technical features is carried out
Equivalent replacement；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution various embodiments of the present invention technical side
The range of case should all cover within the scope of the claims and the description of the invention.
Claims (7)
1. a kind of processing technology of ring-grooved rivet, which comprises the steps of:
Upsetting system of rivet bar is shaped to the rivet blank with head and bar diameter by step S1；
Step S2 carries out mill working process to the bar diameter of rivet blank so that rivet blank from its head one end along bar diameter successively
Form major diameter section and path section；
Step S3, in the case where not heated to rivet blank, using thread rolling machine to the path section of bar diameter far from the one of head
Duan Jinhang thread rolling forms clamp segment annular groove；
Step S4, one section of progress turning using lathe to the path section of bar diameter close to head form active section annular groove, and
Path section carries out turning between clamp segment annular groove and active section annular groove and forms breaking groove, to form finished product rivet.
2. the processing technology of ring-grooved rivet according to claim 1, which is characterized in that in the step S1, rivet material
The temperature for expecting upsetting is 600-650 degree.
3. the processing technology of ring-grooved rivet according to claim 1, which is characterized in that in step sl, in the step
In S4, the lathe has a rotation clamping element, a clamp segment ring groove turning tool and a breaking groove lathe tool, when turning, general
Rivet blank is fixed on rotation clamping element, then controls clamp segment ring groove turning tool respectively and breaking groove lathe tool carries out turning.
4. the processing technology of ring-grooved rivet according to claim 1, which is characterized in that the step S1 and step S2 it
Between further include following steps:
Step A1, will be put into corresponding cleaning line by the molding rivet blank of upsetting system and pickling line cleans；
Step A2, the rivet blank after cleaning are heat-treated.
5. the processing technology of ring-grooved rivet according to claim 4, which is characterized in that in the step A2, heat treatment
Specific steps are as follows: the rivet blank after cleaning carries out solid solution isothermal holding in vacuum water quenching oven, wherein the temperature of solution treatment
Degree is 850-900 degree, the rivet blank after solution treatment is then carried out ageing treatment in vacuum aging furnace, wherein at timeliness
The temperature of reason is 500 to 600 degree.
6. the processing technology of ring-grooved rivet according to claim 1, which is characterized in that further include after the step S4 as
Lower step:
Step S5 carries out carrying out flaw detection to finished product rivet using DNT defectoscope；
Step S6 cleans the surface of finished product rivet, is sprayed, is dried；
Finished product rivet is carried out corresponding detection packaging by step S7.
7. the processing technology of ring-grooved rivet according to claim 1-6, which is characterized in that the material of the rivet
For titanium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675482.3A CN110355531B (en) | 2019-07-25 | 2019-07-25 | Processing technology of ring groove rivet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675482.3A CN110355531B (en) | 2019-07-25 | 2019-07-25 | Processing technology of ring groove rivet |
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| CN110355531A true CN110355531A (en) | 2019-10-22 |
| CN110355531B CN110355531B (en) | 2020-11-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421309A (en) * | 2020-05-26 | 2020-07-17 | 王丽 | Titanium alloy hake rivet manufacturing process |
| CN111571143A (en) * | 2020-05-26 | 2020-08-25 | 王丽 | Self-plugging rivet manufacturing process |
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| CN102689164A (en) * | 2012-06-19 | 2012-09-26 | 东方蓝天钛金科技有限公司 | Processing process of titanium alloy ring groove rivet with big length-to-diameter ratio |
| CN103009011A (en) * | 2012-12-28 | 2013-04-03 | 贵州精立航太科技有限公司 | Processing method for stainless steel high-strength bolt |
| CN104100622A (en) * | 2013-04-08 | 2014-10-15 | 彭亮生 | Large-scale and high-intensity rivet connection pair and manufacturing method thereof |
| CN104625575A (en) * | 2013-11-06 | 2015-05-20 | 西安福斯特动力科技有限公司 | Machining technology of integrally-formed multi-thread bolt |
| CN104889698A (en) * | 2015-06-19 | 2015-09-09 | 航天精工股份有限公司 | Titanium alloy ring groove rivet integral processing method |
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2019
- 2019-07-25 CN CN201910675482.3A patent/CN110355531B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102689164A (en) * | 2012-06-19 | 2012-09-26 | 东方蓝天钛金科技有限公司 | Processing process of titanium alloy ring groove rivet with big length-to-diameter ratio |
| CN103009011A (en) * | 2012-12-28 | 2013-04-03 | 贵州精立航太科技有限公司 | Processing method for stainless steel high-strength bolt |
| CN104100622A (en) * | 2013-04-08 | 2014-10-15 | 彭亮生 | Large-scale and high-intensity rivet connection pair and manufacturing method thereof |
| CN104625575A (en) * | 2013-11-06 | 2015-05-20 | 西安福斯特动力科技有限公司 | Machining technology of integrally-formed multi-thread bolt |
| CN104889698A (en) * | 2015-06-19 | 2015-09-09 | 航天精工股份有限公司 | Titanium alloy ring groove rivet integral processing method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111421309A (en) * | 2020-05-26 | 2020-07-17 | 王丽 | Titanium alloy hake rivet manufacturing process |
| CN111571143A (en) * | 2020-05-26 | 2020-08-25 | 王丽 | Self-plugging rivet manufacturing process |
| CN111571143B (en) * | 2020-05-26 | 2022-03-04 | 王丽 | Self-plugging rivet manufacturing process |
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| CN110355531B (en) | 2020-11-10 |
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